UL 639
What is the laboratory for UL 639?
For UL 639, laboratory is CSA Group Testing and Certification Inc; standard title is Intrusion-Detection Units, verified against its source on 2026-09-17.
UL 639 | Intrusion-Detection Units |
— osha.gov, retrieved 2026-08-10
- Laboratory
- CSA Group Testing and Certification Inc.
- Standard number
- UL 639 verified
- Standard title
- Intrusion-Detection Units verified
Source
- osha.govhttps://www.osha.gov/nationally-recognized-testing-laboratory-program/csa